Home / 33,485.61-46,209.99-18,378.51

Finding the Fourth Proportional to 33,485.61, 46,209.99 and 18,378.51

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Solution

The fourth proportional to 33,485.61, 46,209.99 and 18,378.51 is: 25,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.61 : 46,209.99 = 18,378.51 : x
  2. Step 2: Convert to fraction form
    33,485.61/46,209.99 = 18,378.51/x
  3. Step 3: Cross multiply
    33,485.61x = 46,209.99 × 18,378.51
  4. Step 4: Simplify right side
    33,485.61x = 849,270,763.31
  5. Step 5: Solve for x
    x = 849,270,763.31/33,485.61
  6. Step 6: Final answer
    x = 25,362.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.